Search a number
-
+
115440480 = 2532580167
BaseRepresentation
bin1101110000101…
…11101101100000
322001012222120100
412320113231200
5214023043410
615242142400
72601141111
oct670275540
9261188510
10115440480
115a188161
12327b1a00
131abbb79c
1411490208
15a2048c0
hex6e17b60

115440480 has 72 divisors (see below), whose sum is σ = 393945552. Its totient is φ = 30783744.

The previous prime is 115440469. The next prime is 115440499. The reversal of 115440480 is 84044511.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38644 + ... + 41523.

It is an arithmetic number, because the mean of its divisors is an integer number (5471466).

Almost surely, 2115440480 is an apocalyptic number.

115440480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115440480 is an abundant number, since it is smaller than the sum of its proper divisors (278505072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115440480 is a wasteful number, since it uses less digits than its factorization.

115440480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80188 (or 80177 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 115440480 is about 10744.3231522511. The cubic root of 115440480 is about 486.9145002374.

Adding to 115440480 its reverse (84044511), we get a palindrome (199484991).

The spelling of 115440480 in words is "one hundred fifteen million, four hundred forty thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1440 80167 160334 240501 320668 400835 481002 641336 721503 801670 962004 1202505 1282672 1443006 1603340 1924008 2405010 2565344 2886012 3206680 3607515 3848016 4810020 5772024 6413360 7215030 7696032 9620040 11544048 12826720 14430060 19240080 23088096 28860120 38480160 57720240 115440480